801181446145 has 8 divisors (see below), whose sum is σ = 963839444904. Its totient is φ = 639330683904.

The previous prime is 801181446139. The next prime is 801181446167. The reversal of 801181446145 is 541644181108.

It can be written as a sum of positive squares in 4 ways, for example, as 159080524801 + 642100921344 = 398849^2 + 801312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801181446145 - 2³¹ = 799033962497 is a prime.

It is a super-2 number, since 2×801181446145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201806944 + ... + 201810913.

It is an arithmetic number, because the mean of its divisors is an integer number (120479930613).

Almost surely, 2^801181446145 is an apocalyptic number.

It is an amenable number.

801181446145 is a deficient number, since it is larger than the sum of its proper divisors (162657998759).

801181446145 is a wasteful number, since it uses less digits than its factorization.

801181446145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403618259.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 801181446145 in words is "eight hundred one billion, one hundred eighty-one million, four hundred forty-six thousand, one hundred forty-five".